12142454216 has 16 divisors (see below), whose sum is σ = 23756976000. Its totient is φ = 5807260624.

The previous prime is 12142454209. The next prime is 12142454249. The reversal of 12142454216 is 61245424121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32995616 + ... + 32995983.

It is an arithmetic number, because the mean of its divisors is an integer number (1484811000).

Almost surely, 2^12142454216 is an apocalyptic number.

It is an amenable number.

12142454216 is a deficient number, since it is larger than the sum of its proper divisors (11614521784).

12142454216 is a wasteful number, since it uses less digits than its factorization.

12142454216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65991628 (or 65991624 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

Adding to 12142454216 its reverse (61245424121), we get a palindrome (73387878337).

The spelling of 12142454216 in words is "twelve billion, one hundred forty-two million, four hundred fifty-four thousand, two hundred sixteen".